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106. COM OSITIONS,

COATING UR PLASTIC Cross Reference UNITED STATES PATENT OFFICE.

ISAAC P. W'ENDELL, OF PHILADELPHIA, PENNSYLVANIA, ASSIGNOR TO CHARLES P. TASKER, OF SAME PLACE.

COMPOSITION OF MATTER FOR THE MANUFACTURE OF AXLE-BEARINGS, dc.

SPECIFICATION forming part of Letters Patent No. 325,885, dated September 8, 1885.

Application filed February 14, 1885. (No specimens.) 2 S .To all whom it may concern:

Be it known that I, ISAAC P. WENDELL, a citizen of the United States, residing at Philadelphia, in the county of Philadelphia and 5 State of Pennsylvania, have invented a new and useful Composition of Matter, of which the following is a specification.

. The object of my invention is to provide an inexpensive material having the proper to hardness and durability for the manufacture of axle or journal bearings, packings for pistons, and like articles.

My invention consists in a compound composed of asbestgs, Elumbago litharge, and

I 5 silicate o soda. T e asbestiis, having first I een re uce o a condition of fiber or powder, is, together with the litharge and plumbago, in the form of a powder, well mixed with liquid silicate of sod in the de- 20 sired form, and dried by artificial or natural,

heat. I

The proportions of the materials above named which I have found to produce a good article are, one pound of asbestus one-half pound of litharge, one qnarter of a pound of plumbagg and one and one-half pound of li uid silicate of soda or the corresponding amount of or stallized silicate of soda, or the corresponding amount ofother equivalent d u i;ati ng material. These proportions, however, may be varied, and oxides or compounds of lead other than litharge, as well as forms of carbon other than plumbago, may be employed,without departing from my invention.

Having thus described my invention, I ol'aim A composition of matter consisting of asbestus, litharge, plumbago, and silicate of soda, substantially as set forth.

In testimony whereof I have hereunto signed my name this 3d day of February, A. D. 1885.

ISAAC P. WENDELL.

In presence of WM. 0. STRAWBRIDGE, J. BONSALL TAYLOR.

Examiner I 

